struct HasUsedGenericParams<'a> {
unused_parameters: &'a FiniteBitSet<u32>,
}
Expand description
Visitor used to check if a generic parameter is used.
Fields
unused_parameters: &'a FiniteBitSet<u32>
Trait Implementations
sourceimpl<'a, 'tcx> TypeVisitor<'tcx> for HasUsedGenericParams<'a>
impl<'a, 'tcx> TypeVisitor<'tcx> for HasUsedGenericParams<'a>
type BreakTy = ()
fn visit_const(&mut self, c: Const<'tcx>) -> ControlFlow<Self::BreakTy>
fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<Self::BreakTy>
fn visit_binder<T>(
&mut self,
t: &Binder<'tcx, T>
) -> ControlFlow<Self::BreakTy, ()>where
T: TypeVisitable<'tcx>,
fn visit_region(&mut self, r: Region<'tcx>) -> ControlFlow<Self::BreakTy, ()>
fn visit_unevaluated(
&mut self,
uv: Unevaluated<'tcx, Option<Promoted>>
) -> ControlFlow<Self::BreakTy, ()>
fn visit_predicate(
&mut self,
p: Predicate<'tcx>
) -> ControlFlow<Self::BreakTy, ()>
fn visit_mir_const(
&mut self,
c: ConstantKind<'tcx>
) -> ControlFlow<Self::BreakTy, ()>
Auto Trait Implementations
impl<'a> RefUnwindSafe for HasUsedGenericParams<'a>
impl<'a> Send for HasUsedGenericParams<'a>
impl<'a> Sync for HasUsedGenericParams<'a>
impl<'a> Unpin for HasUsedGenericParams<'a>
impl<'a> UnwindSafe for HasUsedGenericParams<'a>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Layout
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 8 bytes